Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hieu ho snippets" » "dung hieu code snippets", "dong hieu ho snippets", "dung tieu ho snippets", "trung hieu ho snippets", "dung hieu hoa snippets", "dung hieu hoc snippets", "dung hieu so snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung hieu ho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hieu ho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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